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WO2006138364A2 - Teleactivation de systeme de priorite de vehicules - Google Patents

Teleactivation de systeme de priorite de vehicules Download PDF

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Publication number
WO2006138364A2
WO2006138364A2 PCT/US2006/023148 US2006023148W WO2006138364A2 WO 2006138364 A2 WO2006138364 A2 WO 2006138364A2 US 2006023148 W US2006023148 W US 2006023148W WO 2006138364 A2 WO2006138364 A2 WO 2006138364A2
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
priority
communication device
message
response
Prior art date
Application number
PCT/US2006/023148
Other languages
English (en)
Other versions
WO2006138364A3 (fr
Inventor
Mark A. Schwartz
Original Assignee
Global Traffic Technologies, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Global Traffic Technologies, Llc filed Critical Global Traffic Technologies, Llc
Priority to CA2613769A priority Critical patent/CA2613769C/fr
Publication of WO2006138364A2 publication Critical patent/WO2006138364A2/fr
Publication of WO2006138364A3 publication Critical patent/WO2006138364A3/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle

Definitions

  • the present invention is generally directed to systems and methods that allow traffic signal systems to be controlled from an authorized vehicle.
  • Traffic signals have long been used to regulate the flow of traffic at intersections. Generally, traffic signals have relied on timers or vehicle sensors to determine when to change the phase of traffic signal lights, thereby signaling alternating directions of traffic to stop, and others to proceed.
  • Emergency vehicles such as police cars, fire trucks and ambulances, are generally permitted to cross an intersection against a traffic signal.
  • Emergency vehicles have typically depended on horns, sirens and flashing lights to alert other drivers approaching the intersection that an emergency vehicle intends to cross the intersection.
  • due to hearing impairment, air conditioning, audio systems and other distractions often the driver of a vehicle approaching an intersection will not be aware of a warning being emitted by an approaching emergency vehicle.
  • optical vehicle priority systems that have equipment installed at certain traffic signals and on emergency vehicles.
  • An optical signal from an optical emitter mounted to an emergency vehicle can transmit light pulses encoding a priority preemption request.
  • the equipment installed at a traffic signal can adjust the phase of the traffic signal to expedite passage through the traffic signal by the emergency vehicle.
  • the present invention is directed to overcoming the above-mentioned challenges and others that are related to the types of approaches and implementations discussed above and in other applications.
  • the present invention is exemplified in a number of implementations and applications, some of which are summarized below.
  • the present invention is directed to implementations that allow a vehicle priority system for traffic signals to be remotely activated.
  • One such implementation starts and/or terminates transmission of data from a vehicle to traffic signal control equipment located at an intersection.
  • a remotely-activated vehicle priority system includes a control center, a vehicle-priority communication device, at least one receiver, and a phase selector.
  • the control center transmits an activation message.
  • the vehicle-priority communication device is mounted to a vehicle and is communicatively coupled to the control center.
  • the vehicle-priority communication device transmits a priority preemption request.
  • the receiver is situated at a traffic signal and receives the priority preemption request.
  • the phase selector issues, responsive to the priority preemption request, a command to a controller of the traffic signal. The command selects a phase for the traffic signal.
  • a method is provided for remotely activating a vehicle priority system.
  • An activation message is transmitted from a remote control center.
  • a vehicle-priority communication device mounted to a vehicle receives the activation message.
  • the vehicle-priority communication device a priority preemption request.
  • the priority preemption request is received at a receiver situated proximate to a traffic signal.
  • a phase is requested for the traffic signal.
  • FIG. 1 is a perspective view of a mass transit vehicle and an ambulance approaching traffic signals at intersection, with communication devices mounted to the mass transit vehicle and the ambulance each transmitting apriority preemption request that is activated in accordance with the present invention
  • FIG. 2 is a block diagram of certain components of an example of the vehicle priority system shown in FIG. 1 ;
  • FIG. 3 is a flow diagram of the operation of the vehicle priority system at a vehicle and an intersection in accordance with the present invention.
  • One embodiment of the present invention is directed to a remotely-activated vehicle priority system that includes a CPU-based control center for transmitting an activation message as well as an intersection- vehicle communication arrangement.
  • the intersection- vehicle communication arrangement includes a vehicle-priority communication device mounted to a vehicle and communicatively coupled to the control center.
  • the vehicle-priority communication device is designed to transmit a priority preemption request (e.g., via optical or RF communications) in response to the activation message.
  • the intersection-vehicle communication arrangement includes at least one (e.g., optical or RF) receiver situated at a traffic signal and a phase selector circuit.
  • the receiver includes (e.g., optical or RF) circuitry that is compatibly designed relative to the vehicle- priority communication for receiving the priority preemption request.
  • the phase selector is coupled to the at least one receiver and adapted to issue, responsive to reception of the priority preemption request, a command to a controller of the traffic signal. In response, the command selects a phase (e.g., for stopping cross traffic) for the traffic signal.
  • FIG. 1 illustrates a typical intersection 10 having traffic signals 12.
  • a traffic signal controller 14 sequences the traffic signals 12 through a sequence of phases that allow traffic to proceed alternately through the intersection 10.
  • Each authorized vehicle 20, 22, and 23 has a respective vehicle-priority communication device 24A, 24B, and 24C that transmits a priority preemption request to the phase selector 18 via receivers 16A and 16B at the intersection 10.
  • the vehicle-priority communication devices 24A and 24B have certain aspects and features enabled in accordance with the present invention to provide activation of the transmission of the priority preemption request from a remote control center, such as dispatch center 26, in an efficient, flexible and practicable manner.
  • Dispatch center 26 has an antenna 28 communicatively coupled to antennas 30A and 30B on vehicles 20 and 22, respectively.
  • a command or other data from the dispatch center 26 can activate a vehicle-priority communication device 24 A on ambulance 20.
  • the phase selector 18 can preempt the normal operation of the traffic signals 12 to give priority to ambulance 20 and allow expedited passage of the ambulance 20 through the intersection 10.
  • Activation of vehicle-priority communication device 24 A from the dispatch center 26 can thwart improper usage of the vehicle priority system, such as abuse of the vehicle priority system by an operator of an ambulance 20 that is not responding to an emergency situation.
  • the vehicle-priority communication device 24B of mass transit vehicle 22 may similarly be activated by dispatch center 26.
  • antenna 28 can be a number of distributed antennas, such as the antennas of a cellular telephone network or a wireless local area network.
  • An ambulance 20 and a mass transit vehicle 22 are approaching the intersection 10.
  • the vehicle-priority communication device 24A is mounted on the ambulance 20 and the vehicle-priority communication device 24B is mounted on the mass transit vehicle 22.
  • the vehicle-priority communication devices 24A and 24B include optical emitters that each transmit a stream of light pulses.
  • the stream of light pulses can transport codes that identify a requested operation, such as the priority preemption request.
  • the receivers 16A and 16B can be detector assemblies stationed to receive these light pulses and send an output signal to the phase selector 18, which is often located in the same cabinet as the traffic controller 14.
  • the phase selector 18 processes and validates the output signal from the receivers 16 A and 16B. For validated output signals of a priority preemption request, the phase selector 18 issues a traffic preemption command to the traffic signal controller 14 to preempt the normal operation of the traffic signals 12.
  • a traffic preemption command requests a phase, which can be dependent on which one of multiple receivers 16A and 16B receives the light pulses for the priority preemption request.
  • Ambulance 20 is approaching intersection 10 from the east and detector assembly receiver 16B is situated to receive light pulses from vehicles approaching intersection 10 from either the east or the west, while detector assembly receiver 16A is situated to receive light pulses from vehicles approaching intersection 10 from either the north or south.
  • the light pulses emitted from vehicle-priority communication device 24 A of ambulance 20 are received by detector assembly receiver 16B and are not received by detector assembly receiver 16 A.
  • Phase selector 18 receives an output signal of a priority preemption request from detector assembly receiver 16B, and the phase selector 18 issues a traffic preemption command to traffic controller 14 that selects a phase of traffic signals 12 presenting a green light to ambulance 20.
  • mass transit vehicle 22 is approaching intersection 10 from the south and phase selector 18 receives an output signal for the light pulses of vehicle-priority communication device 24B via detector assembly receiver 16 A.
  • phase selector 18 issues a traffic preemption command to traffic controller 14 that selects a phase of traffic signals 12 presenting a green light to mass transit vehicle 22. It will be appreciated that an intersection can have less than four or more than for directions of approach to the intersection.
  • a radio frequency signal transmits the priority preemption request from a vehicle-priority communication device to one or multiple receivers 16A and 16B and the priority preemption request can include a direction of travel of the vehicle from which the phase selector 18 determines the appropriate phase for the traffic preemption command.
  • FIG. 1 also shows an authorized person 21 operating a portable vehicle-priority communication device 24C, which is there shown mounted to a motorcycle 23.
  • the vehicle-priority communication device 24C can be used by the authorized person 21 to affect the traffic signals 12 in situations that require manual control of the intersection 10.
  • a vehicle priority system helps run a mass transit system more efficiently.
  • An authorized mass transit vehicle 22 having a vehicle-priority communication device 24B constructed in accordance with the present invention spends less time waiting at traffic signals, thereby saving fuel and allowing the mass transit vehicle 22 to serve a larger route. This also encourages people to utilize mass transportation instead of private automobiles because authorized mass transit vehicles move through congested urban areas faster than other vehicles.
  • mass transit vehicle 22 Unlike an emergency vehicle, such as ambulance 20, a mass transit vehicle 22 equipped with a vehicle-priority communication device 24B may not require total preemption.
  • mass transit vehicle 22 has an operating schedule and a global positioning satellite (GPS) receiver in mass transit vehicle 22 provides coordinates of the current position of the mass transit vehicle 22 to the dispatch center 26.
  • GPS global positioning satellite
  • the dispatch center 26 compares the current position of the mass transit vehicle 22 with the expected position from the operating schedule. When the mass transit vehicle 22 is lagging behind the expected position by more than a specific amount of time and/or distance, the dispatch center 26 sends an activation message to vehicle-priority communication device 24B via antennas 28 and 30B.
  • the vehicle-priority communication device 24B starts transmitting a priority preemption request to intersections, such as intersection 10, approached by the mass transit vehicle 22.
  • the dispatch center 26 sends a deactivation message to vehicle-priority communication device 24B.
  • the vehicle-priority communication device 24B terminates transmission of the priority preemption request.
  • the priority preemption for a mass transit vehicle 22 may provide a traffic signal offset that gives preference to a mass transit vehicle 22, while still allowing all approaches to the intersection 10 to be serviced.
  • a traffic signal controller 14 that normally allows traffic to flow 50 percent of the time in each direction responds to repeated phase requests from the phase selector 18 by allowing traffic flowing in the direction of the mass transit vehicle 22 to proceed 65 percent of the time and traffic flowing in the other direction to flow 35 percent of the time.
  • the actual offset can be fixed to allow the mass transit vehicle 22 to have a predictable advantage.
  • the nominal frequency used to transmit pulses of an optical pulse stream used to transmit a priority preemption request can determine a priority level for the priority preemption request. For example, a frequency of approximately 10 Hz can correspond to a high priority for an emergency vehicle, such as ambulance 20, and a frequency of approximately 14 Hz can correspond to a low priority for a mass transit vehicle 22.
  • the vehicle priority system does not actually control the lights at a traffic intersection 10. Rather, the phase selector 18 alternately issues phase requests to and withdraws phase requests from the traffic signal controller 14, and the traffic signal controller 14 determines whether the phase requests can be granted.
  • the traffic signal controller 14 may also receive phase requests originating from other sources, such as a nearby railroad crossing, in which case the traffic signal controller 14 can determine that the phase request from the other source should be granted before the phase request from the phase selector 18.
  • the vehicle priority system can affect a traffic intersection 10 and create a traffic signal offset by monitoring the traffic signal controller sequence and repeatedly issuing phase requests that will most likely be granted.
  • the vehicle priority system of FIG. 1 is implemented using a known implementation that is modified to implement the codes and algorithms discussed above for remote activation.
  • a known implementation that is modified to implement the codes and algorithms discussed above for remote activation.
  • an OpticomTM implementation that is modified to implement the codes and algorithms discussed above for remote activation.
  • Priority Control System manufactured by 3M Company of Saint Paul, Minnesota
  • 3M Company of Saint Paul, Minnesota can be modified to implement the codes and algorithms discussed above for remote activation.
  • one or more embodiments of U.S. Patent No. 5,172,113 can be modified in this manner.
  • another specific example embodiment is implemented using another so-modified commercially-available vehicle priority system, such as the Strobecom II system (manufactured by TOMAR Electronics, Inc. of Phoenix, Arizona).
  • FIG. 2 is a block diagram of certain components of an example of the vehicle priority system shown in FIG. 1.
  • a control center such as dispatch center 26, transmits messages 100 through 108 via antenna 28 and receives message 110 and 112 via antenna 28.
  • An vehicle-priority communication device 24 A which may include an optical emitter, mounted to vehicle 20 receives messages 100 through 108 and transmits messages 110 and 112 via antenna 30A and mobile data terminal 114.
  • the vehicle-priority communication device 24 A In response to receiving activation message 100 from dispatch center 26, the vehicle-priority communication device 24 A starts transmitting a stream of light pulses or a radio frequency signal representing a priority preemption request 116.
  • the normal operation of traffic signals (not shown) is preempted in response to the priority preemption request 116 to permit expedited passage of the vehicle 20 through the traffic signals.
  • the activation message 100 is transmitted by the dispatch center 26 when a mass transit vehicle (not shown) is determined to be lagging behind an operating schedule 113 for the mass transit vehicle, as previously discussed.
  • the operating schedule 113 can be a published operating schedule for the mass transit vehicle.
  • mobile data terminal 114 is mounted in the cab of an emergency vehicle, such as a police car, and mobile data terminal 114 is connected via a radio channel to the dispatch center 26.
  • the mobile data terminal 114 can be used to relay textual and graphical information, including the incident destination, travel route, type of incident, chemical hazards, and the position of other assets that are responding to the incident.
  • a portion of the information relayed to the mobile data terminal 114, such as the type of incident can constitute the activation message 100 that starts the transmission of the priority preemption request 116 from the vehicle-priority communication device 24 A.
  • a portion of the information relayed to the mobile data terminal 114, such as the incident destination, can constitute a deactivation message 102.
  • the destination coordinates from a deactivation message 102 are compared with current coordinates of the vehicle 20 from the GPS receiver 118 and the vehicle-priority communication device 24A terminates the transmission of the stream of light pulses or radio frequency signal representing the priority preemption request 116 in response to the vehicle 20 approaching the destination.
  • one or both of the activation message 100 and the deactivation message 102 are commands that are not interpreted by the vehicle-priority communication device 24A using additional information, such as the current position of the vehicle 20 from the GPS receiver 118.
  • An activation message 100 that is an activation command allows dispatch center 26 to directly compel the vehicle-priority communication device 24A to begin transmitting a stream of light pulses or radio frequency signal representing the priority preemption request 116.
  • a deactivation message 102 that is a deactivation command allows dispatch center 26 to directly compel the vehicle- priority communication device 24A to cease transmitting the stream of light pulses or radio frequency signal representing the priority preemption request 116.
  • Vehicle-priority communication device 24A can have an associated vehicle identifier 120 and priority preemption request 116 may include the vehicle identifier 120 for purposes such as maintaining security of the vehicle priority system. Updating of the vehicle identifier 120 may be necessary during set-up and ongoing maintenance of the vehicle-priority communication device 24A and the vehicle priority system that includes the vehicle-priority communication device 24A.
  • Dispatch center 26 can transmit an identifier update message 104 to the vehicle-priority communication device 24A to update the vehicle identifier 120.
  • Identifier update message 104 may include the new vehicle identifier and other identifying information such as the existing value of the vehicle identifier 120 and/or an assigned serial number for the vehicle-priority communication device 24A.
  • Vehicle-priority communication device 24A may have one or more internal microprocessors controlling the operation of the vehicle-priority communication device 24A. These internal microprocessors can have associated firmware 122. New features can be added to the functionality of the vehicle-priority communication device 24 A and defects in the vehicle-priority communication device 24A can be fixed by updating the firmware 122. Dispatch center 26 can transmit a firmware update message 106 including the new firmware to replace the existing firmware 122.
  • Vehicle-priority communication device 24A may include diagnostic data 124, such as logs of the operation of the vehicle-priority communication device 24A, including detected error conditions.
  • Dispatch center 26 may read the contents of the diagnostic data 124 by transmitting a diagnostic retrieval message 108.
  • the vehicle-priority communication device 24A may respond to the diagnostic retrieval message 108 with a diagnostic response message 110 that includes the current contents of the diagnostic data 124.
  • the vehicle-priority communication device 24A can spontaneously transmit a diagnostic response message 110 for certain operation conditions of the vehicle-priority communication device 24 A, such as error conditions impacting the safe operation of the vehicle 20 and/or the vehicle priority system.
  • Vehicle-priority communication device 24A may periodically transmit a position message 112 including coordinates of the current position of the vehicle 20 from the GPS receiver 118.
  • the transmission of the position message 112 can be eliminated or the frequency of periodically transmitting the position message 112 can reduced when the GPS receiver 118 indicates that the vehicle 20 is stationary.
  • the dispatch center 26 can transmit a position retrieval message (not shown) that causes the vehicle-priority communication device 24A to transmit a position message 112 including the current position of the vehicle 20.
  • FIG. 3 is a flow diagram of the operation of the vehicle priority system at a vehicle and an intersection in accordance with the present invention.
  • a remotely situated control center transmits an activation message.
  • the activation message is received at an vehicle-priority communication device mounted to a vehicle at step 204.
  • the activation message is an activation command.
  • the vehicle-priority communication device transmits light pulses or a radio frequency signal that encode a priority preemption request in response to the activation message.
  • a receiver situated at a traffic signal receives the light pulses or radio frequency signal that encodes the priority preemption request.
  • an appropriate phase which can be dependent on which one of multiple receivers received the priority preemption request at step 208, is requested for the traffic signal in response to the priority preemption request received at step 208.
  • the phase request for the traffic signal can adjust or maintain the phase of the traffic signal to allow expedited passage of the vehicle through the traffic signal by presenting a green light to the vehicle.
  • the control center can also transmit a deactivation message that terminates transmission of the priority preemption request from the vehicle-priority communication device.
  • starting the transmission of the priority preemption request at step 206 and/or terminating the transmission of the priority preemption request in response to a deactivation message can be dependent on the position of the vehicle provided by a GPS receiver associated with the vehicle.
  • the vehicle-priority communication device can be implemented using a signal processing circuit arrangement including one or more processors, volatile and/or nonvolatile memory, and a combination of one or more analogy, digital, discrete, programmable-logic, semi-programmable logic, nonprogrammable logic circuits. Examples of such circuits for comparable signal processing tasks are described in the previously-discussed commercial devices and various references including, for example, U.S. Patents, No. 5,172,113, No. 5,519,389, No. 5,539,398 and No. 4,162,447. Such implementations and adaptations are embraced by the above- discussed embodiments without departing from the spirit and scope of the present invention, aspects of which are set forth in the following claims.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

L'invention concerne un système de priorité de véhicules téléactivé qui comprend un centre de commande, un dispositif de communication de priorité de véhicule, au moins un récepteur, et un sélecteur de phase. Le centre de commande transmet un message d'activation. Le dispositif de communication de priorité de véhicule est monté sur un véhicule et est couplé de manière communicative au centre de commande. En réponse au message d'activation, le dispositif de communication de priorité de véhicule transmet une demande de priorité. La transmission de la demande de priorité, en réponse au message d'activation, permet d'éviter l'activation inadéquate, volontaire ou accidentelle, du système de priorité de véhicule par un opérateur du véhicule. Le récepteur, placé à proximité d'un feu de signalisation, reçoit la demande de priorité. Le sélecteur de phase émet, en réponse à la demande de priorité, une commande à un contrôleur du feu de signalisation. La commande sélectionne une phase pour le signal de trafic.
PCT/US2006/023148 2005-06-16 2006-06-14 Teleactivation de systeme de priorite de vehicules WO2006138364A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2613769A CA2613769C (fr) 2005-06-16 2006-06-14 Teleactivation de systeme de priorite de vehicules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/154,348 US7515064B2 (en) 2005-06-16 2005-06-16 Remote activation of a vehicle priority system
US11/154,348 2005-06-16

Publications (2)

Publication Number Publication Date
WO2006138364A2 true WO2006138364A2 (fr) 2006-12-28
WO2006138364A3 WO2006138364A3 (fr) 2007-08-30

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2302642A1 (es) * 2007-01-05 2008-07-16 Vodafone España, S.A. Metodo para la mejora del traficoo de vehiculos de emergencia medianteel uso de balizas.
US7432826B2 (en) 2005-06-16 2008-10-07 Global Traffic Technologies, Llc Traffic preemption system with headway management
WO2011100486A1 (fr) * 2010-02-11 2011-08-18 Global Traffic Technologies, Llc Surveillance et diagnostic de contrôleurs de préemption de feux de signalisation
WO2011159710A1 (fr) * 2010-06-15 2011-12-22 Global Traffic Technologies, Llc Contrôle de phases de signaux de trafic
CN104670267A (zh) * 2015-03-23 2015-06-03 苏州富欣智能交通控制有限公司 轨道交通道口优先权控制系统及其控制方法
WO2019177531A1 (fr) * 2018-03-15 2019-09-19 H&E Solutions Ab Détermination de la puissance de sortie pour une émission optimale de signal radio

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070208864A1 (en) * 2002-10-21 2007-09-06 Flynn Lori A Mobility access gateway
US7562393B2 (en) * 2002-10-21 2009-07-14 Alcatel-Lucent Usa Inc. Mobility access gateway
US7499401B2 (en) 2002-10-21 2009-03-03 Alcatel-Lucent Usa Inc. Integrated web cache
US9346397B2 (en) 2006-02-22 2016-05-24 Federal Signal Corporation Self-powered light bar
US7746794B2 (en) * 2006-02-22 2010-06-29 Federal Signal Corporation Integrated municipal management console
US20070211866A1 (en) * 2006-02-22 2007-09-13 Federal Signal Corporation Public safety warning network
US9002313B2 (en) * 2006-02-22 2015-04-07 Federal Signal Corporation Fully integrated light bar
US20070194906A1 (en) * 2006-02-22 2007-08-23 Federal Signal Corporation All hazard residential warning system
US7476013B2 (en) 2006-03-31 2009-01-13 Federal Signal Corporation Light bar and method for making
US8344908B2 (en) * 2009-10-09 2013-01-01 Global Traffic Technologies, Llc Monitoring management and presentation of preemption control data of centrally managed traffic signals
US8054202B1 (en) * 2009-02-20 2011-11-08 Tomar Electronics, Inc. Traffic preemption system and related methods
US8373578B1 (en) 2009-04-02 2013-02-12 Tomar Electronics, Inc. Wireless head for a traffic preemption system
US9677530B2 (en) * 2009-09-21 2017-06-13 Ford Global Technologies, Llc Assisted direct start engine control for enhanced launch performance
US8325062B2 (en) * 2009-10-09 2012-12-04 Global Traffic Technologies, Llc Centralized management of preemption control of traffic signals
US8830085B2 (en) * 2009-11-12 2014-09-09 Global Traffic Technologies, Llc Monitoring traffic signal preemption
DE102010005582B4 (de) * 2010-01-22 2015-06-25 Astrium Gmbh Verbesserung von Satellitenbasierten SAR-Diensten
US8604940B2 (en) * 2010-02-26 2013-12-10 Mark Tremonti Vehicle communication system
US8825255B2 (en) * 2010-03-02 2014-09-02 International Business Machines Corporation Reconciling service class-based routing affecting user service within a controllable transit system
US8487780B2 (en) * 2010-03-25 2013-07-16 Global Traffic Technologies, Inc. Defining approach maps for traffic signal preemption controllers
CN103403496B (zh) * 2010-10-22 2016-03-09 通腾比利时公司 利用探测数据确定及验证导航优先权设置的方法
TW201232485A (en) * 2011-01-26 2012-08-01 Hon Hai Prec Ind Co Ltd Traffic adjusting system and method
US8884783B2 (en) * 2011-02-24 2014-11-11 Global Traffic Technologies, Llc Systems and method for controlling preemption of a traffic signal
KR20130015802A (ko) * 2011-08-05 2013-02-14 이흥수 계층적 구조의 식별정보를 이용한 교통 신호 제어 장치 및 방법
EP2795603A4 (fr) * 2011-12-20 2015-08-19 Via Analytics Inc Système automatisé de prévention d'accumulation de véhicules
US8742946B1 (en) * 2012-03-30 2014-06-03 Tomar Electronics, Inc. System and related methods for powering and controlling traffic preemption system components
US20140125498A1 (en) * 2012-11-02 2014-05-08 Iteris, Inc. Universal interface for communication of traffic signal priority between mass transit vehicles and intersection signal controllers for priority request and control
US9376051B1 (en) 2013-01-19 2016-06-28 Louis H. McKenna First responders' roadway priority system
US9536427B2 (en) * 2013-03-15 2017-01-03 Carnegie Mellon University Methods and software for managing vehicle priority in a self-organizing traffic control system
US9875653B2 (en) 2013-08-26 2018-01-23 Keyvan T. Diba Electronic traffic alert system
US9299253B2 (en) 2014-06-19 2016-03-29 Global Traffic Technologies, Llc Adaptive traffic signal preemption
CN104575035B (zh) * 2015-01-22 2016-08-17 大连理工大学 一种基于车联网环境下交叉口的自适用控制方法
WO2016153325A1 (fr) * 2015-03-26 2016-09-29 엘지전자 주식회사 Procédé et dispositif de transmission d'informations d'événement lors d'une communication v2x
US10068471B2 (en) 2015-12-21 2018-09-04 Collision Control Communications, Inc. Collision avoidance and traffic signal preemption system
GB2549506B (en) * 2016-04-19 2018-09-05 Ford Global Tech Llc A vehicle prioritisation system
US10043385B2 (en) * 2016-06-06 2018-08-07 United States Cellular Corporation Configuring traffic control device switch timing intervals using mobile wireless device-provided traffic information
US20180142436A1 (en) * 2016-11-23 2018-05-24 Sarkis Agajanian Road signs
CN110383360B (zh) 2016-12-19 2022-07-05 斯鲁格林有限责任公司 利用数字优先级排定的连接且自适应的车辆交通管理系统
IT201700073317A1 (it) * 2017-06-30 2018-12-30 Autostrade Tech S P A Sistema e metodo per gestire il transito di un veicolo in corrispondenza di un semaforo
JP6848809B2 (ja) * 2017-10-20 2021-03-24 トヨタ自動車株式会社 緊急車両の走行支援方法および緊急車両の走行支援システム
US11055991B1 (en) 2018-02-09 2021-07-06 Applied Information, Inc. Systems, methods, and devices for communication between traffic controller systems and mobile transmitters and receivers
US10957190B2 (en) * 2018-06-28 2021-03-23 Intel Corporation Traffic management system, components of a distributed traffic management system, prioritization/load-distribution system, and methods thereof
US11205345B1 (en) 2018-10-02 2021-12-21 Applied Information, Inc. Systems, methods, devices, and apparatuses for intelligent traffic signaling
US11170642B2 (en) 2019-03-28 2021-11-09 Stc, Inc. Systems and methods for pacing a mass transit vehicle
CA3134783A1 (fr) * 2019-04-03 2020-10-08 Logisig Inc. Armoires electriques
CN111179611B (zh) * 2019-12-27 2021-09-07 讯飞智元信息科技有限公司 交叉口交通信号控制方法、装置和设备
US11030895B1 (en) * 2020-08-19 2021-06-08 Global Traffic Technologies, Llc Incident-based traffic signal preemption and priority
JP7727466B2 (ja) * 2021-09-23 2025-08-21 株式会社Subaru 車両走行の遠隔制御システム

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550078A (en) * 1967-03-16 1970-12-22 Minnesota Mining & Mfg Traffic signal remote control system
US3831039A (en) * 1973-10-09 1974-08-20 Minnesota Mining & Mfg Signal recognition circuitry
US4162447A (en) * 1976-06-30 1979-07-24 Cybernet Electronic Corporation Frequency synthesis method for an AM-SSB transmitter-receiver
US4162477A (en) * 1977-06-03 1979-07-24 Minnesota Mining And Manufacturing Company Remote control system for traffic signal control system
US4228419A (en) * 1978-08-09 1980-10-14 Electronic Implementation Systems, Inc. Emergency vehicle traffic control system
US4234967A (en) * 1978-10-20 1980-11-18 Minnesota Mining And Manufacturing Company Optical signal transmitter
US4463339A (en) * 1979-01-02 1984-07-31 Ralph E. Frick State/interval redundant controller system for traffic signals
US4230992A (en) * 1979-05-04 1980-10-28 Minnesota Mining And Manufacturing Company Remote control system for traffic signal control system
US5014052A (en) * 1983-04-21 1991-05-07 Bourse Trading Company, Ltd. Traffic signal control for emergency vehicles
US4680811A (en) * 1984-12-13 1987-07-14 Veeco Integrated Automation Inc. Vehicle to fixed station infrared communications link
US4727600A (en) * 1985-02-15 1988-02-23 Emik Avakian Infrared data communication system
US4717913A (en) * 1985-08-29 1988-01-05 Johnson Service Company Data telemetry system using diffused infrared light
US4704610A (en) * 1985-12-16 1987-11-03 Smith Michel R Emergency vehicle warning and traffic control system
US4734881A (en) * 1986-02-18 1988-03-29 Minnesota Mining And Manufacturing Company Microprocessor controlled signal discrimination circuitry
US4914434A (en) * 1988-06-13 1990-04-03 Morgan Rodney K Traffic signal preemption system
US4970439A (en) * 1989-04-28 1990-11-13 Minnesota Mining And Manufacturing Company Power supply circuit for a gaseous discharge tube device
US4972185A (en) * 1989-04-28 1990-11-20 Minnesota Mining And Manufacturing Company Radiant energy signal transmitter
US4992790A (en) * 1989-09-19 1991-02-12 Schlumberger Technology Corporation Digital phase-locked loop biphase demodulating method and apparatus
US5159480A (en) * 1990-05-29 1992-10-27 Cactus Services, Inc. Infrared widebeam communication transmitter
US5202683A (en) * 1991-06-24 1993-04-13 Minnesota Mining And Manufacturing Company Optical traffic preemption detector
US5187476A (en) * 1991-06-25 1993-02-16 Minnesota Mining And Manufacturing Company Optical traffic preemption detector circuitry
US5187373A (en) * 1991-09-06 1993-02-16 Minnesota Mining And Manufacturing Company Emitter assembly for use in an optical traffic preemption system
US5172113A (en) * 1991-10-24 1992-12-15 Minnesota Mining And Manufacturing Company System and method for transmitting data in an optical traffic preemption system
US5519389A (en) * 1992-03-30 1996-05-21 Tomar Electronics, Inc. Signal synchronized digital frequency discriminator
CA2163668C (fr) * 1993-06-09 2005-08-16 Jeffrey D. Haagenstad Dispositif de localisation de vehicules
TW289174B (fr) * 1994-01-07 1996-10-21 Minnesota Mining & Mfg
US5926113A (en) * 1995-05-05 1999-07-20 L & H Company, Inc. Automatic determination of traffic signal preemption using differential GPS
US7202776B2 (en) * 1997-10-22 2007-04-10 Intelligent Technologies International, Inc. Method and system for detecting objects external to a vehicle
US6252544B1 (en) 1998-01-27 2001-06-26 Steven M. Hoffberg Mobile communication device
US6064319A (en) * 1998-10-22 2000-05-16 Matta; David M. Method and system for regulating switching of a traffic light
AU761072C (en) 1998-11-23 2003-07-10 Nestor, Inc. Traffic light violation prediction and recording system
US6326903B1 (en) * 2000-01-26 2001-12-04 Dave Gross Emergency vehicle traffic signal pre-emption and collision avoidance system
US20030016143A1 (en) * 2001-07-23 2003-01-23 Ohanes Ghazarian Intersection vehicle collision avoidance system
US6985090B2 (en) * 2001-08-29 2006-01-10 Siemens Aktiengesellschaft Method and arrangement for controlling a system of multiple traffic signals
US6621420B1 (en) 2001-11-29 2003-09-16 Siavash Poursartip Device and method for integrated wireless transit and emergency vehicle management
US7327280B2 (en) * 2002-08-15 2008-02-05 California Institute Of Technology Emergency vehicle traffic signal preemption system
US6940422B1 (en) * 2002-08-15 2005-09-06 California Institute Of Technology Emergency vehicle traffic signal preemption system
US7116245B1 (en) * 2002-11-08 2006-10-03 California Institute Of Technology Method and system for beacon/heading emergency vehicle intersection preemption
WO2005036494A2 (fr) * 2003-10-06 2005-04-21 E-Views Safety Systems, Inc. Detection et penalisation d'un refus de priorite dans un systeme de priorite pour des vehicules de secours
US7432826B2 (en) * 2005-06-16 2008-10-07 Global Traffic Technologies, Llc Traffic preemption system with headway management

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7432826B2 (en) 2005-06-16 2008-10-07 Global Traffic Technologies, Llc Traffic preemption system with headway management
ES2302642A1 (es) * 2007-01-05 2008-07-16 Vodafone España, S.A. Metodo para la mejora del traficoo de vehiculos de emergencia medianteel uso de balizas.
WO2008081069A3 (fr) * 2007-01-05 2008-08-21 Vodafone Plc Procédés destinés à améliorer la circulation de véhicules d'urgence au moyen de balises
ES2302642B1 (es) * 2007-01-05 2009-05-01 Vodafone España, S.A. Metodo para la mejora del transito de vehiculos de emergencia mediante el uso de balizas.
EP2116982A4 (fr) * 2007-01-05 2011-10-12 Vodafone Plc Procédés destinés à améliorer la circulation de véhicules d'urgence au moyen de balises
WO2011100486A1 (fr) * 2010-02-11 2011-08-18 Global Traffic Technologies, Llc Surveillance et diagnostic de contrôleurs de préemption de feux de signalisation
US8610596B2 (en) 2010-02-11 2013-12-17 Global Traffic Technologies, Llc Monitoring and diagnostics of traffic signal preemption controllers
WO2011159710A1 (fr) * 2010-06-15 2011-12-22 Global Traffic Technologies, Llc Contrôle de phases de signaux de trafic
US8823548B2 (en) 2010-06-15 2014-09-02 Global Traffic Technologies, Llc Control of traffic signal phases
CN104670267A (zh) * 2015-03-23 2015-06-03 苏州富欣智能交通控制有限公司 轨道交通道口优先权控制系统及其控制方法
WO2019177531A1 (fr) * 2018-03-15 2019-09-19 H&E Solutions Ab Détermination de la puissance de sortie pour une émission optimale de signal radio
US11101907B2 (en) 2018-03-15 2021-08-24 H&E Solutions Ab Output power determination for optimal radio signal transmission

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US7515064B2 (en) 2009-04-07
CA2613769C (fr) 2011-11-22
US20070008174A1 (en) 2007-01-11

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